3.2. Pin Function
The FM101-NA-20 module pin function is described in the following table.
Table 6. LGA pin function description
Pin
Number
Pin Name
I/O
Reset
Status
Pin Description
Type
1
CONFIG_3
DO
NC
NC, WWAN-PCIe is configured
for FM101-NA-20 module,
USB_SS interface type M.2
module
- -
2
VCC
PI
*
Power input
Power
supply
3
GND
- -
- -
Ground
Power
supply
4
VCC
PI
*
Power input
Power
supply
5
GND
- -
- -
Ground
Power
supply
6
FULL_CARD_
POWER_OFF
#
DI
PU
Module on/off control, high-level
on, low-level off; internal pull-up
CMOS
3.3V/1.8V
7
USB_DP
DIO
*
USB 2.0 data
0.3V–3V
8
W_DISABLE1
#
DI
PU
Turn off WWAN of the module,
i.e. flight mode, active low
CMOS
3.3V/1.8V
9
USB_DM
DIO
*
USB 2.0 data –
0.3V–3V
10
LED1#
OD
T
System status indication, open
drain output
*
3. Pin Definition
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